Btos is assorted by our malware research team as the DJVU ransomware genus. Another variants of this family is Reha, Topi, Nosu, and some others. There are certain antiviruses that ignore it as well as therefore permitting its irruption. Actually, we have to call it that, because of the “.btos” extension that it appends at the end of your files.
Let’s clarify. Btos malware hits your laptop through stealth and skill also. After that, once entered it makes use of AES or RSA enciphering algorithms to block your documents.
Then, they extort you for their decode. After Btos gets round right into your device, it places every one of your records under closure. It attaches its very own extension “.btos” at the end, thus making files unavailable.
Files with “.btos” extension appended by the Btos virus:
It targets documents, folders, photos, music, videos, all of it! Thereafter, you can’t longer open them. Shifting records or redefining it will not facilitate. The only means to unblocke your files from the cryptoware’s keep is decryption. The virus expects you to send blackmail money if you wish to get your data back. It makes that clear (in the blackmail text) it will decode documents after payment.
The note is generally a text file, left on your desktop. You can also locate it in each folder that includes encoded documents. It describes your troubles and also proposes you a solution. According to Btos, sole remedy to release your files is with a unique decryption key. And also, to obtain it you have to send a buyout. The price is $980, as well as it’s usually asked for in cryptocurrency.
The file “_readme.txt” by the Btos virus states the following information:
ATTENTION! Don't worry, you can return all your files! All your files like photos, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-WbgTMF1Jmw Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: email@example.com Reserve e-mail address to contact us: firstname.lastname@example.org Our Telegram account: @datarestore Your personal ID: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Do NOT pay for decrypt of “btos” files!
The Btos malware guarantees, to send you the code after you give. As well as, that’s it. That’s all you obtain – a promise. You have no guarantees that subordination results in something favorable. Do not bear on words of internet criminals. That is people, that will scam you. Do NOT give them a cent. Don’t call them Do NOT comply with their needs.
How did my PC got harmed by Btos?
Your devices get corrupted with the Btos virus because of your failure to be on alert. Some people do not notice essential details while using the web or downloading various applications.
The Btos malware uses the proven annexationist techniques to deceive you. And rushes in undetected. That involves disguising behind broken web links, sites, and torrents. It makes use of freeware as a way to hide itself. And shapes as a false system or software update. Like, Adobe Flash Player or Java.
Yet more often than not, it uses junk emails. You open an email that seems to find from a well-known company. Like, Amazon or PayPal. And, the email prompts you to follow a web link, or download and install an tool. If you do, you end up with virus.
Remember that these types of risks are fooling your inattention. They need you to hurry and lose doing due diligence. That eases their latent infiltration. They rest on you to leave your fate to chance. Do not! Don’t pick recklessness over care. One keeps infections out. The other welcomes them in.
Consequently, do not give them a fee. Don’t contact to the cyber frauds. If you do, you’ll regret it. It’s a vain effort to return your data, as well as it will not finish well for you. Below’s why.
There are a few circumstances that can explain when you see the redemption funds note on your monitor. Claim, you decide to conform. You reply to the bleeders, send their ransom cash, and wait. You wait on them to send you the decryption trick they promised. Well, what happens if they do not?
Nevertheless, you have no warranties. All, you rely on, is a word. Can you absolutely think pledges of internet kidnappers? The answer is ‘No.’ These are people, who will certainly disappoint you. Don’t send a cent! There’s also another choice.
They can send you a decryption code. However, when you effort to apply it, it fails to work.
Yes, they can send you the wrong code. After that, you have much less currency, as well as your data continues to be locked. Don’t render! And also your best-case case isn’t a reason for enthusiasm. What takes place after you pay the redemption money, obtain the appropriate trick, as well as totally free your documents? Well? Consider it. You paid ransom to eliminate a sign and symptom, yet not the infection launching it.
So, you remove the enciphering, yet the Btos virus stays. It’s still skulking in the hooks of your system, complimentary to attack once again. After that, you’re back at a new start.
Why is Btos unsafe?
In addition, to encrypt a sufferer’s data, the Btos infection has also started to install the Azorult Spyware on PC to steal account passwords, cryptocurrency wallets, desktop documents, and more.
So, your device obtained assaulted by Btos and also probably you have actually lost time trying to fix it manually. We are absolutely positive that the remedy below will certainly be usefull in removing Btos in an automated method.
How to protect PC from Btos ransomware?
However, let us initially speak about obviation of such malware attacks in the future. There is something exists that you can do to get away from this kind of critical menace from entering into your PC in good time?
There are a couple of things we wish to talk about here. First one is your private accountability for being unbelievably attentive while you utilize your device and largely while you surf the internet. When examining your e-mail and see some doubtful accessories consisted of, do not rush to open them.
Similarly, when you get on Facebook and social networks also someone you know sends you messages containing accessories, be very mindful, specifically if these are some .exe files.
The second thing to take into consideration is researching the trustworthiness of your current security tool. Sadly, there are multiple safety and security applications today that just assert to be dependable, whereas in times of real infection invasions they simply fail to do the task as promoted.
In case Btos invaded into your device this indicates that your current anti-virus did not do its declared function as well as really fell short to protect your system. So obviously it is a point for you to overestimate your choices and also definitely change over to some other software that can most certainly provide the wanted grade of security.
Not all antiviruses are good
We can also discuss some part of users that like not to have any kind of anti-virus software program at all. Definitely, this is a major error on their component, due to the fact that presently the web has dozens of virtual hazards that may stealthily intrude perceptive systems, especially those that are not tooled with some standard level of protection.
So, having anti-malware incessantly operating and protecting your device is a necessary point in nowadays’ virtual world.
Btos is getting on the nerves of many people, so you’re not its only victim.
People ask how to solve the problem effectively. Removal of the infection manually may be a long-lasting undertaking and can damage other important system files. Scan your PC with GridinSoft Anti-Malware to detect and delete Btos in the right way.
Click to Download GridinSoft Anti-Malware.
Btos removal guide
STEP 1. Recover files from Btos ransomware encryption
You can download free decryption tool here: Decryptor for STOP Djvu. But it work when the Btos virus used an offline key for encryption.
If key does not found, we advice to restore your PC
There are a lot of different ransomware viruses on the internet. Some of them are more dangerous than the others because they not only leaving malicious processes to protect themselves, but also removing backups of your system to make the recovery process impossible.
Please Note: Not all ransomware infections are able to remove backups of your system, so it is always worth to try a windows recovery.
We recommend use Safe Mode with command prompt to safely perform a recovery of your files. You will have to reboot your computer, so you better save this instruction:
STEP 2. Removing Btos ransomware malicious files
Once the recovery process is complete, you should consider scanning your computer with a GridinSoft Anti-Malware in order to find any traces of Btos infection. Though some ransomware viruses are removing themselves right after the encryption of your files, some may leave malicious processes on your computer for special purposes of cyber criminals.
Run GridinSoft Anti-Malware and choose the scan type, which is suitable for your needs. Of course, for the accuratest scan results we recommend you to choose the “Full Scan”.
Give Anti-Malware a little time to check your system:
Move to quarantine all the viruses and unwanted files, that you see in the results list:
Enjoy the malware removal process:
Use of On-run protection may additionaly prevent different types of cyber attacks, our protect may flag the downloader of the ransomware as a malicious application preventing the download of Btos.
STEP 3. Prevent the Btos virus infection
Besides the protection tool, you should read and learn few simple rules. Follow them every time you work on your computer and your will decrease chances of your infection to a minimum:
- Don’t open suspicious spam letters. No way! Be very careful with your downloads. Download and install software preferably from its trusted website.
- Do backups of your important files regularly. Storing your really important files in few different places is a good decision.
- Keep your system free from adware, hijackers and PUPs The infected computer will be more likely compromised with other malicious software, and ransomware is not an exception in this case.
- Don’t panic and be reasonable. Don’t pay the ransom fee right after you got infected, it is always best to search on the internet for some answers. It is possible that someone have developed a decryption tool that might help you.